package main.java.Fzy.Test;

public class Test {

    public static void main(String[] args) {

        final int[] arr = {1,2,3,4};
        arr[0] = 9;
        System.out.println(arr[1]);

//        arr = new int[8];

        String str = new String("ab");
        str = "ccddd";
        change(str);
        System.out.println(str);
    }

    public static void change(String str){

        System.out.println(str);
    }
}
